Quantizer for Wyner-Ziv System Applica
tion指 導 教 授:楊 士 萱報 告 學 生:李 桐 照
Outline Distributed Video Coding Introduction Quantizer Design Simulation Result Future work
Distributed Video Coding Introduction
Quantizer Design 1/4
Gaussian Scalar Asymmetric Case
Quantizer Design 2/4
Experimental Result
DWT Low-Freq
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Quantizer Design 3/4
Idea:
Side information helps distinguish source values
Quantizer Design 4/4
Design of optimal quantizers for distributed source codingRebollo-Monedero, D.; Rui Zhang; Girod, B.;Data Compression Conference, 2003. Proceedings. DCC 200325-27 March 2003
New Lloyd Algorithm
Simulation Result 1/5
Simulation Result 2/5
Simulation Result 3/5
Simulation Result 4/5
Simulation Result 5/5
Conclusion:Wyner-Ziv SPIHT 碼率越接近Key Frame SPIHT 碼率時 ,則採用Wyner-Ziv System 的效益就越高
Future work
2006/3/6~2006/3/19 Implementation of Quantizer